20479869

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{55501}}^1$

素因数の和:55548

約数の個数: 12

約数和(自身を含む): 30304092

約数和(自身を除く): 9824223

約数列:

[1, 3, 9, 41, 123, 369, 55501, 166503, 499509, 2275541, 6826623, 20479869]

約数ペア:

[(1, 20479869), (3, 6826623), (9, 2275541), (41, 499509), (123, 166503), (369, 55501)]